Home / 709,986.57-1,064,190.99-540,949.59

Finding the Fourth Proportional to 709,986.57, 1,064,190.99 and 540,949.59

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Solution

The fourth proportional to 709,986.57, 1,064,190.99 and 540,949.59 is: 810,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,986.57 : 1,064,190.99 = 540,949.59 : x
  2. Step 2: Convert to fraction form
    709,986.57/1,064,190.99 = 540,949.59/x
  3. Step 3: Cross multiply
    709,986.57x = 1,064,190.99 × 540,949.59
  4. Step 4: Simplify right side
    709,986.57x = 575,673,679,677.92
  5. Step 5: Solve for x
    x = 575,673,679,677.92/709,986.57
  6. Step 6: Final answer
    x = 810,823.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.